package org.kfive.nova.hadoop.reducer;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

/*
* WordCountReducer.java
* Created  by  dell
* Created on 2016/3/29 18:13
*/
public class WordCountReducer extends Reducer<Text,IntWritable,Text,IntWritable> {

    public void reduce(Text key,Iterable<IntWritable> values,Context context) throws IOException,InterruptedException{

        int sum = 0;
        for (IntWritable value : values){
            sum += value.get();
        }
        context.write(key,new IntWritable(sum));
    }

}
